package com.huan.grouporder;

import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class OrderReduce extends Reducer<OrderBean, NullWritable, OrderBean, NullWritable> {


    @Override
    protected void reduce(OrderBean key, Iterable<NullWritable> values, Context context) throws IOException, InterruptedException {

        context.write( key,NullWritable.get() );

    }
}
